Messier 75 (Globular Cluster) - Sketch

object details: Messier 75
size: 6.8' ,  magnitude: 9.2m ,  distance: 67.5kly ,  constellation: Saggitarius .

Location and conditions: Negev desert (Nahal Barak), Israel, ~6.6m sky.
Time and date: 14-15/09/2012 , 00:00.
Instrument: Skywatcher BKP250 10" F/5 Newton, Paracorr, 8mm TV plossl (172X).
Drawing details: Graphite pencil sketch on a white paper, made while observing with a telescope under red light. Sketch is north oriented. Drawing was scanned, inverted and processed in Photoshop. Observer: Michael Vlasov.

Notes:

Messier 75 is a faint, distant globular cluster. It has a small, stellar-like core, making the closter look like a comet. It's quite hard to resolve any individual stars in M75.

Original drawing: